SQL Injection in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin
CVE-2026-1708
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to blind SQL Injection in all versions up to, and including, 1.6.9.27. This is due to the `db_where_conditions` method in the…
Vulnerability class: SQL Injection
EPSS: 0.002 (39.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/71642341-9fe0-44a9-88f3-70167…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.21/i…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.21/i…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.21/i…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/…
- plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.21/i…
- plugins.trac.wordpress.org/changeset/3475885/simply-schedule-appointments/trunk…
Frequently asked questions
- What is CVE-2026-1708?
- CVE-2026-1708 is a high-severity vulnerability in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-03-11.
- How severe is CVE-2026-1708?
- High severity. CVSS v3 base score is 7.5 out of 10.